DC motor speed control using IC 555

    Simple circuit using timer IC 555 and mosfet IRF 540 given for DC motor…

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Auto Switch off light circuit

       The Auto switch off light circuit drives AC lamp up to few seconds and…

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Automatic Headlight circuit

      This simple circuit automatic headlight switch turn on vehicle head light when reaching…

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Dual Power supply from single battery

        Need of dual power supply for certain circuit is necessary, if you…

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Electronic horn circuit

        This simple circuit helps to make louder horn for vehicle or alarm,…

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IC 741 tester circuit

       When we use ICs in the circuit some times we cannot get desired…

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LED Voltmeter circuit

     LED voltmeter circuit constructed by operation amplifier IC741, here the op-amps are acts as…

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Power saver circuit using PIR sensor

       Many times we forgot to turn off some home appliances when it not…

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RF signal detector circuit

        This circuit can be used to detect the RF signal and electromagnetic…

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Bicycle direction indicator light

             The Simple and useful bicycle direction indicator circuit is given,…

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